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Discussion Starter #1
Wanting to upgrade my mid pipe/ res for my mazda but not sure if I should just get it custom made. I’ve got a muffler delete already and I don’t want to lose a lot of power by not knowing the benefits or losses before istalation and money for just getting it shipped here (Australia). Also with the corksport Sri is it worth to even get seeing from the forum there’s no point on purchasing it
 

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The SRI has zero real benefits by itself beyond sound enhancement and bling. Under normal conditions you may even see a power loss due to higher than normal intake temperatures.
I would not replace the resonator without knowing exactly what it will do. One member here replaced the resonator with aftermarket parts and the net gain was a 14 ft/lb loss.
 
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